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return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
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All results from a given calculation for (chloromethyl radical)

using model chemistry: B97D3/cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 no CS 2A'
1 2 yes C2V 2B1

Conformer 1 (CS)

Jump to S1C2
Energy calculated at B97D3/cc-pVTZ
 hartrees
Energy at 0K-499.482002
Energy at 298.15K 
HF Energy-499.482002
Nuclear repulsion energy45.287930
The energy at 298.15K was derived from the energy at 0K and an integrated heat capacity that used the calculated vibrational frequencies.
Vibrational Frequencies calculated at B97D3/cc-pVTZ
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 A' 3121 3077 9.58 116.37 0.11 0.20
2 A' 1381 1362 9.79 1.71 0.70 0.82
3 A' 816 804 31.27 8.49 0.23 0.37
4 A' 143 141 67.53 0.01 0.75 0.86
5 A" 3270 3225 0.57 51.77 0.75 0.86
6 A" 979 965 0.10 2.60 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 4854.4 cm-1
Scaled (by 0.986) Zero Point Vibrational Energy (zpe) 4786.5 cm-1
See section III.C.1 List or set vibrational scaling factors to change the scale factors used here.
See section III.C.2 Calculate a vibrational scaling factor for a given set of molecules to determine the least squares best scaling factor.
Rotational Constants (cm-1) from geometry optimized at B97D3/cc-pVTZ
ABC
9.14038 0.52607 0.49744

See section I.F.4 to change rotational constant units
Geometric Data calculated at B97D3/cc-pVTZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.000 1.119 0.000
Cl2 -0.000 -0.586 0.000
H3 0.000 1.621 0.957
H4 0.000 1.621 -0.957

Atom - Atom Distances (Å)
  C1 Cl2 H3 H4
C11.70531.08011.0801
Cl21.70532.40532.4053
H31.08012.40531.9131
H41.08012.40531.9131

picture of chloromethyl radical state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
Br2 C1 H3 117.671 Br2 C1 H4 117.671
H3 C1 H4 124.658
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B97D3/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.245      
2 Cl -0.039      
3 H 0.142      
4 H 0.142      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.001 1.015 0.000 1.015
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -20.267 0.001 0.000
y 0.001 -17.264 0.000
z 0.000 0.000 -18.355
Traceless
 xyz
x -2.458 0.001 0.000
y 0.001 2.047 0.000
z 0.000 0.000 0.411
Polar
3z2-r20.821
x2-y2-3.003
xy0.001
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.462 0.000 0.000
y 0.000 4.986 0.000
z 0.000 0.000 2.931


<r2> (average value of r2) Å2
<r2> 32.074
(<r2>)1/2 5.663

Conformer 2 (C2V)

Jump to S1C1
Energy calculated at B97D3/cc-pVTZ
 hartrees
Energy at 0K-499.482002
Energy at 298.15K 
HF Energy-499.482002
Nuclear repulsion energy45.287871
The energy at 298.15K was derived from the energy at 0K and an integrated heat capacity that used the calculated vibrational frequencies.
Vibrational Frequencies calculated at B97D3/cc-pVTZ
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 A1 3120 3076 9.59 116.45 0.11 0.20
2 A1 1381 1362 9.81      
3 A1 816 805 31.25      
4 B1 147 145 67.51      
5 B2 3270 3224 0.59      
6 B2 979 965 0.10      

Unscaled Zero Point Vibrational Energy (zpe) 4855.9 cm-1
Scaled (by 0.986) Zero Point Vibrational Energy (zpe) 4787.9 cm-1
See section III.C.1 List or set vibrational scaling factors to change the scale factors used here.
See section III.C.2 Calculate a vibrational scaling factor for a given set of molecules to determine the least squares best scaling factor.
Rotational Constants (cm-1) from geometry optimized at B97D3/cc-pVTZ
ABC
9.14329 0.52606 0.49744

See section I.F.4 to change rotational constant units
Geometric Data calculated at B97D3/cc-pVTZ

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -1.119
Cl2 0.000 0.000 0.586
H3 0.000 0.956 -1.621
H4 0.000 -0.956 -1.621

Atom - Atom Distances (Å)
  C1 Cl2 H3 H4
C11.70521.08021.0802
Cl21.70522.40562.4056
H31.08022.40561.9128
H41.08022.40561.9128

picture of chloromethyl radical state 1 conformation 2
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
Br2 C1 H3 117.696 Br2 C1 H4 117.696
H3 C1 H4 124.607
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B97D3/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.245      
2 Cl -0.039      
3 H 0.142      
4 H 0.142      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.000 0.000 -1.015 1.015
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -20.267 0.000 0.000
y 0.000 -18.356 0.000
z 0.000 0.000 -17.262
Traceless
 xyz
x -2.458 0.000 0.000
y 0.000 0.408 0.000
z 0.000 0.000 2.049
Polar
3z2-r24.098
x2-y2-1.911
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.462 0.000 0.000
y 0.000 2.931 0.000
z 0.000 0.000 4.986


<r2> (average value of r2) Å2
<r2> 32.075
(<r2>)1/2 5.664